NEW 502 blocks

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02-15-2014 | 02:53 AM

#51

mcprodesign

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Joined: Jan 2008

Posts: 2,357

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From: San Diego

Quote:

Originally Posted by Cobra100+

The last 502 crate motor ordered from Jegs I saw was not the good block. It had a fuel pump provision as well and overall the machining and clearences were horrible.

Thanks buddy. The guy found a 4.5 500 efi block with some surface rust in the cylinders. He thinks he is going to use that .. lol

02-15-2014 | 10:48 PM

#52

The Gitter

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Joined: Feb 2014

Posts: 12

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What did you do with your engines John?

Mr.Horsepower

02-16-2014 | 06:27 AM

#53

moderatedUser23082018

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Joined: Jun 2010

Posts: 114

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Cant tell you about the Block but Mike at MK is a good dude,,, just call him talk. He'll shoot straight with ya..

02-16-2014 | 07:05 AM

#54

vintage chromoly

Gold Member

Joined: Sep 2011

Posts: 2,643

Likes: 18

From: cleveland ohio

[QUOTE=mcprodesign;4074703]

Quote:

Originally Posted by liquidlounge

http://www.superchevyperformance.com...p/19170540.htm

Are all 3 of these blocks the same bock? I mean , I know a guy looking for a 10237300 Block . Did they quit making those? He wants a GM clock but doesn't want to put a frickin cover over an unesseary fuel pump boss. Seems kinda generic you can't get the real ch!t from GM

http://www.jegs.com/i/Chevrolet-Perf...oductId=956496

http://www.ebay.com/itm/371001632207...S:1123&vxp=mtr

Yes, the 10237300 is an old casting. The latest gm casting has a mechanical fuel pump boss on it. We (boat applications) are not the only guys who buy these engines. The muscle car guys actually want the mechanical fuel pump for their vintage cars.